Twitter stock is traded during its IPO on the floor of the New York Stock Exchange in November. The company raised $1.8 billion in one of the largest initial public offerings of the year.

Written by

Laura
Baverman

When Twitter raised $1.8 billion in one of the largest initial public offerings last year, investors and entrepreneurs celebrated.

Twitter's public reception provided more capital for it to grow and add workers, stimulating the economy. It will create wealth for many more shareholders if the company continues to grow over time. And, coming a year after Facebook's IPO, Twitter's successful offering primes investors' enthusiasm for future tech companies' offerings.

But Twitter's achievement highlights something missing in the U.S. economy: Why aren't there more Twitters? ...